Digital speckle pattern interferometric measurement of diffusion coefficients in hydrogels |
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| Authors: | Email author" target="_blank">Zhou?Jin-fang?Email author Han?Yan Zhang?Xian-min Xu?Jian |
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| Institution: | (1) Department of Information Science & Electronic Engineering, Zhejiang University, 310027 Hangzhou, China;(2) Institute of Chemistry, Chinese Academy of Sciences, 100080 Beijing, China |
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| Abstract: | The technique of real-time digital speckle pattern interferometry is proposed to study diffusion of surfactants in hydrogel.
The diffusion coefficient is simply and directly determined from the interferograms. An example of diffusion coefficient measurement
of surfactant in agarose gel demonstrates the usefulness of the method. The results obtained are compared with the theoretical
simulating values.
Project Supported by National Natural Science Foundation of China (No. 29904007), Zhejiang Provincial Natural Science Foundation
of China (No. 699031), and SRF for ROCS, SEM, China |
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| Keywords: | Hydrogel Diffusion coefficient Speckle pattern interferometry Surfactant |
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